Bourdon's Arithmetic: Containing a Discussion of the Theory of Numbers

abstract number annum arithmetic called cent centesimal column commence common denominator compound number contains Convert cubic decimal figures decimal fractions decimal system discount divi divisible by 11 duodenary entire number enunciation equal equivalent established example expresses units four numbers frac fractional number given numbers gives greater number greatest common divisor hundreds irreducible fraction last figure least common multiple less manner method metres months multiplicand multiply the numerator myriametre number is divisible number of decimal number of units obtain operation partial dividend partial products perform periodical fraction pound preceding prime factors prime number principal unit proportion question quinary quotient ratio Reduce remainder result rule second number sexagesimal simple units species subdivisions subtract system whose base tens of thousands third thousandths tion unity verification vulgar fraction Whence write written yards long zeros